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CDU-541
CD-ROM
DRIVE
SCSI
INTERFACE
MANUAL
Table
5-40:
Buffer
Full
Ratios
==============================================================================
Value
Number
of
Number
of
Value
Number
of
Number
of
of
Buffer
2048
byte
2336/2340
of
Buffer
2048
byte
2336/2340
Full
Ratio
blocks
blocks
Full
Ratio
blocks
blocks
----------
---------
---------
----------
---------
---------
OOh
32
2B
01h
- 08h
1
1
Blh
-
BBh
17
15
09h -
10h
2
2
89h -
90h
18
16
llh
-
18h
3
3
91h - 98h
19
1T
19h -
20h 4 4
99h -
AOh
20
18
21h - 28h
5
5
A1h
-
A8h
21
19
29h -
30h
6
6
A9h
-
BOh
22
20
31h -
38h
7 7
B1h
-
B8h
23
21
39h -
40h
8 8
B9h
-
COh
24 21
41h - 48h
9
8
C1h
-
C8h
25
22
49h - 50h
10
9
C9h
-
DOh
26
23
51h - 58h 11
10
D1h
-
D8h
27
24
59h -
60h
12 11
D9h
-
EOh
28
25
61h - 68h
13
12
E1h
-
E8h
29
26
69h -
70h
14
13
E9h
-
FOh
30
27
71h - 78h
15
14
F1h -
F8h
31
28
79h -
BOh
16
15
F9h
-
FFh
32
28
==============================================================================
The Bus
Inactivity
Limit
indicates
the
maximum
time
in
100
microsecond
increments
that
the
controll~r
will
assert
the
BSY
signal
without
a
REQ/ACK
handshake.
If
the
Bus
Inactivity
Limit
is
exceeded
the
controller
will
disconnect
if
the
initiator
has
granted
the
disconnect
privilege.
The
controller
may
round
to
its
nearest
capable
value.
A
value
of
zero
allows
the
controller
to
assert
BSY
until
completion
of
the
command.
The
default
value
of
Bus
Inactivity
Limit
is
zero.
The
Disconnect
Time
Limit
indicates
the
minimum
time
in
100
microsecond
increments
that
the
controller
will
delay
reselection.
The
controller
may
round
to
its
nearest
capable
value.
A
value
of
zero
allows
the
controller
initiate
a
reselection
without
a
delay.
The
default
value
of
Disconnect
Time
Limit
is
zero.
The
Connect
Time
Limit
indicates
the
maximum
time
in
100
microsecond
increments
that
the
controller
will
use
the
bus
before
disconnecting
if
the
initiator
has
granted
the
disconnect
privilege.
The
controller
may
round
to
its
nearest
capable
value.
A
value
of
zero
allows
the
controller
to
determine
if
and when a
disconnect
occurs.
The
default
value
of
Connect Time
Limit
is
zero.
5-72

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